CN102561289B - Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform - Google Patents
Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform Download PDFInfo
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- CN102561289B CN102561289B CN201010623282.2A CN201010623282A CN102561289B CN 102561289 B CN102561289 B CN 102561289B CN 201010623282 A CN201010623282 A CN 201010623282A CN 102561289 B CN102561289 B CN 102561289B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000010276 construction Methods 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 239000000178 monomer Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000011156 evaluation Methods 0.000 description 1
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Abstract
The invention discloses an around synchronization hydraumatic jacking process of upper module of an ultra-large marine oil platform. The around synchronization hydraumatic jacking process comprises the following steps of: step 1, arranging a jacking and supporting mechanism at the bottom of each landing leg; step 2, controlling a jacking device to jack a set height journey, supporting an upper structure by virtue of a radial arm, and enabling a jacking device to retract; step 3, enabling a support beam slippage rail to enter a position below the upper structure; step 4, the jacking device supports jacking the set height journey by virtue of the jacking device, rotating the radial arm to support the upper structure, and enabling the jacking device to retract; step 5, enabling a next group of support beam slippage rails to enter the lower part of the support beam, enabling the jacking device to retract, and jacking the upper module for a set height; step 6, repeating the step 3, the step 4 and the step 5 until jacking the upper module to a preset height; step 7, transporting a lower structure to the bottom of the upper module; step 8, enabling the jacking device to retract, and connecting the upper module and the lower structure in a butt joint manner; and step 9, unloading and dismantling auxiliary equipment. The jacking process provided by the invention can realize the multipoint and around synchronization jacking of the upper module and can be used for carrying out effective control on the lifting speed and the displacement precision.
Description
Technical field
The present invention relates to a kind of jacking technique of large structure, particularly relate to a kind of ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique, belong to Offshore Engineering field.
Background technology
The exploitation of Marine oil and gas resource need arrange the offshore platform of some at sea.Offshore platform mainly contains two types: fixed platform, floating platform.
Offshore oil fixed platform generally comprises: upper chunk and under water fixed support structure.This type of offshore platform be generally by upper chunk and under water fixed support structure build separately on land, and adopt floating holder method to carry out Attention problems operation.Usually need to arrange bottom bracing structure in the shipment of large-scale upper chunk between its underpart and ship deck.For floating platform, it is generally made up of upper chunk and bottom buoyancy aid, before Qi Xiashui, usually need complete the group of its upper chunk and bottom buoyancy aid to work in place or dock.
For the construction of offshore platform, traditional handicraft is generally that first by bottom bracing structure, bottom buoyancy aid etc., substructure is prefabricated completes, and then, then proceeds the construction of upper chunk.In building course, usually adopt loop wheel machine lifting operation.Along with marine petroleum development striding forward constantly to deep water field, the volume and weight of offshore platform is also in continuous increase, when adopting traditional handicraft to carry out the construction of ultra-large type offshore platform upper chunk, can make it in whole building course, be in higher position always, mainly have the following disadvantages:
1, add construction plant loop wheel machine use amount and loop wheel machine task difficulty, particularly need the access times increasing large-scale crane;
2, overall dimension and the precision controlling difficulty of upper chunk is added;
3, construction plant scaffold building workload is added;
4, the consumption of the temporary support component in upper chunk building course is added;
5, the construction of upper chunk can need be carried out after substructure completes, and is unfavorable for the control of duration.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming prior art existence, and a kind of ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique is provided, it ultra-large type offshore platform upper chunk and its underpart structure can be separated and to be placed in lower position prefabricated separately; Effectively reduce the monomer lifting operation workload in the construction of ultra-large type offshore platform upper chunk and monomer hoisting height, reduce the place resources such as the loop wheel machine of build the side and be equipped with requirement; Meanwhile, control by control system multiple spot, the circulation synchronous lifting that multiple hydraulic lifting device can realize upper chunk; And effectively can control hoisting velocity, displacement accuracy.
The object of the invention is to be realized by following technical scheme:
A kind of ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique, is characterized in that: the jacking of upper chunk and the installation of substructure adopt following steps:
The first step, arranges bottom each supporting leg and installs hydraulic lifting device, upper support shelf, bottom pad pier and rotary support mechanism;
Second step, hydraulic control jacking device is by upper support shelf jack-up setting height stroke, and then, the spiral arm controlling rotary support mechanism rotates, and after spiral arm supports upper support shelf, hydraulic lifting device bounces back;
3rd step, is positioned on the slide rail of rotary support mechanism by first group of supporting traverse, makes supporting traverse enter to upper support shelf lower position along direction, the space slippage of rotary support mechanism;
4th step: hydraulic control jacking device is by supporting traverse jack-up setting height stroke, and then, the spiral arm controlling rotary support mechanism rotates, and after spiral arm supports upper support crossbeam, hydraulic lifting device bounces back;
5th step: control next group supporting traverse and enter to first group of supporting traverse lower position along the direction slippage of rotary support mechanism space from the track in corresponding direction, hydraulic lifting device bounces back, the spiral arm of rotary support mechanism rotates, after spiral arm supports supporting traverse, upper chunk is by jacking setting height;
6th step: repeat above-mentioned 3rd step to the 5th step, circulation lifting operation is carried out to upper chunk, until by stacked for upper chunk jacking to predetermined altitude;
7th step: substructure is transported to precalculated position bottom upper chunk;
8th step: retraction hydraulic lifting device, docks upper chunk with substructure;
9th step: unloading, removes hydraulic lifting device, upper support shelf, rotary support mechanism and auxiliary equipment.
Described upper chunk and its underpart structure are separated and are placed in the independent prefabricated construction of lower position, during construction, arrange several temporary support in the bottom of upper chunk.
Described hydraulic lifting device is the oil circuit of hydraulic jack, hydraulic jack, by control system Synchronization Control.
Described control system is computer.
Described rotary support mechanism comprises: lower support base, slide rail and the several axis of rotation be arranged on base for supporting, and base for supporting is hollow type frame construction; Each axis of rotation is separately installed with spiral arm.
Described axis of rotation outward flange shape is cross, and the angle of the rotation of axis of rotation is 90 degree, and axis of rotation is controlled by computer.
Beneficial effect of the present invention:
1. ultra-large type offshore platform upper chunk and its underpart structure can be separated and to be placed in lower position prefabricated separately, effectively reduce the monomer lifting operation workload in the construction of ultra-large type offshore platform upper chunk and monomer hoisting height, reduce the place resources such as the loop wheel machine of build the side and be equipped with requirement.
2. adopt jacking cross beam as climbing structure, by control system by cross layered after crossbeam jack-up, the effect of the continuous jacking that circulates can be reached;
3. adopt control system to control jacking process, the effect of Multi-point synchronization jacking can be realized;
4. adopt crossbeam, rotation and slipping mechanism, improve the accuracy of jacking process and the safety of jacking;
5. jacking process operation is simple, convenient, practicality is high;
6. the present invention carries out lifting operation mainly for the original design supporting leg of upper chunk, substantially without the need to carrying out extra intensity, Stiffness evaluation to chunk jacking operating mode.
7. shorten the construction period of ultra-large type offshore platform, reduce the construction operating cost of ultra-large type offshore platform.
Accompanying drawing illustrates:
Fig. 1 is that lift-up device of the present invention arranges schematic diagram.
Fig. 2 is lift-up device close-up schematic view of the present invention.
Fig. 3 be in Fig. 2 A-A to schematic diagram.
Fig. 4 be in Fig. 2 C-C to schematic diagram.
Fig. 5 is the elevational schematic view that in the present invention, first group of supporting traverse is located in slide rail.
Fig. 6 is that in the present invention, first group of supporting traverse slippage enters support bottom elevational schematic view in place.
Fig. 7 is that in the present invention, first group of supporting traverse prepares glide mirror (plane) schematic diagram.
Fig. 8 is that in the present invention, first group of supporting traverse slippage enters support bottom floor map in place.
Fig. 9 be in the present invention hydraulic lifting device by first group of supporting traverse jack-up schematic diagram.
Figure 10 is rotatable supporting mechanism 90-degree rotation process schematic in the present invention.
Figure 11 is top view before rotatable supporting mechanism 90-degree rotation in the present invention.
Figure 12 is top view after rotatable supporting mechanism 90-degree rotation in the present invention.
Figure 13 is that the present invention completes jacking first group of crossbeam operation schematic diagram.
Figure 14 is that in the present invention, second group of supporting traverse preparation slippage enters first group of crossbeam lower flat schematic diagram.
Figure 15 is that in the present invention, second group of supporting traverse slippage enters first group of crossbeam bottom floor map in place.
Figure 16 is by second group of crossbeam jack-up schematic diagram in the present invention.
Figure 17 is that jacking upper chunk of the present invention is to predetermined altitude schematic diagram.
Figure 18 is that jacking upper chunk of the present invention is to predetermined altitude schematic diagram.
Figure 19 is that the present invention transports bottom bracing structure and enters chunk bottom schematic diagram.
Figure 20 is that upper chunk of the present invention and bottom bracing structure installation exercise complete schematic diagram.
Major label description in figure:
1 upper support shelf, 2 slide rails, 3 slide rail pad piers, 4 rotary support mechanisms, 41 spiral arms, 5 lower base, 6 supporting traverses, 7 hydraulic lifting devices, 10 upper chunk, 11 bottom bracing structures.
Detailed description of the invention
As shown in figure-figure, upper chunk 10 of the present invention and bottom bracing structure 11 are constructed to when needing lifting and adopt following steps:
The first step: as Figure 1-Figure 4,1. the supporting pad pier of each supporting leg bottom of upper chunk 10 is removed, by the lower base 5 of hydraulic lifting device 7, upper support shelf 1, several rotary support mechanism 4, the bottom being arranged in upper chunk 10 supporting leg, upper support shelf 1 is arranged on hydraulic lifting device 7 top, and the lower base 5 of several rotary support mechanism 4 is arranged in around hydraulic lifting device 7; And arrange rotatable support structure 4 and supporting traverse 6 between hydraulic lifting device 7 and upper support shelf 1, and below the slide rail 2 slide rail pad pier 3 being arranged in rotatable support structure 4.2. hydraulic lifting device 7 is connected with pumping plant and control system, realizes lifting operation by control system hydraulic control jacking device 7.3. the debugging efforts of whole hydraulic control system is completed.The present embodiment: control system is computer; Hydraulic lifting device 7 is the oil circuit of hydraulic jack, hydraulic jack, by computer synchronous control.Rotary support mechanism comprises: lower support base 5, slide rail 2 and employing articulated manner are arranged on the several axis of rotation on base for supporting 5, its form of structure of base for supporting 5 is consistent with slide rail supporting pad pier, for hollow type frame construction, base for supporting 5 is placed on ground, is placed in one to facilitate hydraulic lifting device; Each axis of rotation adopts articulated manner be separately installed with spiral arm 41, axis of rotation 41 outward flange shape is cross, makes to meet the principle that each angle rotated is 90 degree.Spiral arm 41 and base for supporting 5 can be installed respectively, then mutually dock.Controlling axis of rotation after docking can make spiral arm 41 rotate, and axis of rotation is controlled by control system, and control system is computer; Rotating an angle is 90 degree, and the structural strength of spiral arm can meet support requirement.
Second step: hydraulic lifting device 7 is by upper support shelf 1 jack-up setting height stroke, and then, the spiral arm 41 controlling rotary support mechanism 4 carries out 90 degree of rotations, and after spiral arm 41 supports upper support shelf 1, hydraulic lifting device 7 bounces back;
3rd step: as shown in Figure 5-Figure 8, is positioned over first group of supporting traverse 6 on the slide rail 2 of the spiral arm 41 of rotary support mechanism 4, makes supporting traverse 6 enter to upper support shelf 1 lower position along direction, the space slippage of rotary support mechanism 4;
4th step: as shown in Figure 9, hydraulic control jacking device 7 is by first group of supporting traverse 6 jack-up setting height stroke, and support whole top weight, then, the spiral arm 41 controlling rotary support mechanism 4 carries out 90 degree of rotations, after spiral arm supports upper support crossbeam 6, hydraulic lifting device 7 bounces back;
4th step: hydraulic control jacking device 7 is by supporting traverse 6 jack-up setting height stroke, and then, the spiral arm controlling rotary support mechanism carries out 90 degree of rotations, and after spiral arm supports upper support crossbeam 6, hydraulic lifting device 7 bounces back; Upper chunk 10 is by the height of a jacking supporting traverse 6.
5th step: as shown in Figure 10-Figure 12, by direction, space be located at corresponding direction another organize slide rail 2 and align, control second group of supporting traverse 6 and can enter first group of supporting traverse 6 bottom along the slippage of direction, space, hydraulic lifting device 7 bounces back, simultaneously, the cantilever 41 of rotary support mechanism 4 carries out 90 degree of rotations, after spiral arm 41 supports supporting traverse 6; The cantilever 41 of rotary support mechanism 4 supports first group of supporting traverse 6 and above all wt, and upper chunk is by jacking supporting traverse 6 height;
As shown in Figure 13-Figure 15, be the process that the slippage of second group of supporting traverse 6 enters first group of supporting traverse 6 bottom, supporting traverse 6 enters along direction, the space slippage of rotary support mechanism 4.
As shown in figure 16, second group of supporting traverse 6 is by hydraulic lifting device 7 jack-up, control rotary support mechanism 4 spiral arm 41 after arriving predetermined altitude and continue 90-degree rotation, equally, to be used for supporting second group of supporting traverse 6 on the one hand, the bottom on the other hand for making the 3rd group of supporting traverse 6 can enter second group of supporting traverse 6 along direction, the space slippage of the spiral arm 41 of rotary support mechanism 4.So far, whole upper chunk 10 is by the height of jacking 2 supporting traverses 6.
6th step: as shown in Figure 17,18, repeats the 3rd step to the process of the 5th step, carries out circulation lifting operation, until by stacked for upper chunk 10 jacking to predetermined altitude to upper chunk 10; Height due to supporting traverse 6 is definite value, so if the top lifting height required is not the multiple of supporting traverse 6 height, then first stacked crossbeam is to from requiring nearest height, then, with hydraulic lifting device 7 jack-up to reach the object of jacking to predetermined altitude.
9th step: as shown in figure 19, after jacking completes, the bottom bracing structure 11 of ultra-large type offshore platform upper chunk 10 is moved to the bottom of chunk 10 by the mode of transport, then, control system hydraulic control jacking device 7 unloads, and the weight of upper chunk 10 is transferred on bottom bracing structure 11.
Tenth step: as shown in figure 20, hydraulic lifting device 7 unloads, and lifting operation completes, and removes lifting operation device therefor and support.
Hydraulic lifting device, jacking framework, jacking supporting traverse, computer control system are existing product.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique, is characterized in that: the jacking of upper chunk and the installation of substructure adopt following steps:
The first step, by the lower base of hydraulic lifting device, upper support shelf, several rotary support mechanism, the bottom being arranged in upper chunk supporting leg, upper support shelf is arranged on hydraulic lifting device top, and the lower base of several rotary support mechanism is arranged in around hydraulic lifting device; And slide rail pad pier is arranged in below the slide rail of rotatable support structure;
Second step, hydraulic control jacking device is by upper support shelf jack-up setting height stroke, and then, the spiral arm controlling rotary support mechanism rotates, and after spiral arm supports upper support shelf, hydraulic lifting device bounces back;
3rd step, is positioned on the slide rail of rotary support mechanism by first group of supporting traverse, makes supporting traverse enter to upper support shelf lower position along direction, the space slippage of rotary support mechanism;
4th step: hydraulic control jacking device is by supporting traverse jack-up setting height stroke, and then, the spiral arm controlling rotary support mechanism rotates, and after spiral arm supports upper support crossbeam, hydraulic lifting device bounces back;
5th step: control next group supporting traverse and enter to first group of supporting traverse lower position along the direction slippage of rotary support mechanism space from the track in corresponding direction, hydraulic lifting device bounces back, the spiral arm of rotary support mechanism rotates, after spiral arm supports supporting traverse, upper chunk is by jacking setting height;
6th step: repeat above-mentioned 3rd step to the 5th step, circulation lifting operation is carried out to upper chunk, until by stacked for upper chunk jacking to predetermined altitude;
7th step: substructure is transported to precalculated position bottom upper chunk;
8th step: retraction hydraulic lifting device, docks upper chunk with substructure;
9th step: unloading, removes hydraulic lifting device, upper support shelf, rotary support mechanism and auxiliary equipment.
2. ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique according to claim 1, it is characterized in that: described upper chunk and its underpart structure are separated and be placed in the independent prefabricated construction of lower position, during construction, arrange several temporary support in the bottom of upper chunk.
3. ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique according to claim 1, is characterized in that: described hydraulic lifting device is the oil circuit of hydraulic jack, hydraulic jack, by control system Synchronization Control.
4. ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique according to claim 3, is characterized in that: described control system is computer.
5. ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique according to claim 1, it is characterized in that: described rotary support mechanism comprises: lower support base, slide rail and the several axis of rotation be arranged on base for supporting, base for supporting is hollow type frame construction; Each axis of rotation is separately installed with spiral arm.
6. ultra-large type offshore platform upper chunk circulating synchronous hydraulic jacking technique according to claim 5, is characterized in that: described axis of rotation outward flange shape is cross, and the angle of the rotation of axis of rotation is 90 degree, and axis of rotation is controlled by computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010623282.2A CN102561289B (en) | 2010-12-30 | 2010-12-30 | Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform |
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| CN201010623282.2A CN102561289B (en) | 2010-12-30 | 2010-12-30 | Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform |
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| CN102561289B true CN102561289B (en) | 2015-03-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807174A (en) * | 2012-08-09 | 2012-12-05 | 中国海洋石油总公司 | Synchronous jacking process of rolled pipes for ultra-large deepwater jacket |
| CN104528412B (en) * | 2014-11-28 | 2017-01-25 | 博迈科海洋工程股份有限公司 | High-built large structure based shipment assembly method |
| CN107739002B (en) * | 2017-11-03 | 2019-11-15 | 方都 | Intelligent landing control method for vehicle lifting apparatus |
| CN109625174A (en) * | 2018-12-18 | 2019-04-16 | 海洋石油工程（青岛）有限公司 | Semisubmersible platform upper chunk and lower float structure slideway jack the technique closed up |
| CN111101717A (en) * | 2019-12-26 | 2020-05-05 | 广东精铟海洋工程股份有限公司 | Jacking device and tower support |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031349A1 (en) * | 1998-11-23 | 2000-06-02 | Oil Barges, Inc. | Movable self-elevating artifical work island with modular hull |
| CN201053117Y (en) * | 2007-04-30 | 2008-04-30 | 四川宏华石油设备有限公司 | Self-elevating drilling platform for offshore oil-drilling |
| CN101781887A (en) * | 2009-12-30 | 2010-07-21 | 天津市海王星海上工程技术有限公司 | Overhang installation method for upper structure of offshore platform |
| CN201610544U (en) * | 2010-02-22 | 2010-10-20 | 中国石油集团海洋工程有限公司 | Cylindrical leg self-elevating drilling platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0405863D0 (en) * | 2004-03-16 | 2004-04-21 | Seacore Ltd | Displaceable platform structure and method of the displacement thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031349A1 (en) * | 1998-11-23 | 2000-06-02 | Oil Barges, Inc. | Movable self-elevating artifical work island with modular hull |
| CN201053117Y (en) * | 2007-04-30 | 2008-04-30 | 四川宏华石油设备有限公司 | Self-elevating drilling platform for offshore oil-drilling |
| CN101781887A (en) * | 2009-12-30 | 2010-07-21 | 天津市海王星海上工程技术有限公司 | Overhang installation method for upper structure of offshore platform |
| CN201610544U (en) * | 2010-02-22 | 2010-10-20 | 中国石油集团海洋工程有限公司 | Cylindrical leg self-elevating drilling platform |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. |
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